Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!elroy.jpl.nasa.gov!ncar!boulder!pikes!udenva!news From: news@udenva.cair.du.edu (netnews) Newsgroups: comp.sys.ibm.pc Subject: Re: Whis is fastest 386/33 or 486/25 ? Message-ID: <13474@udenva.cair.du.edu> Date: 17 Jul 90 00:55:08 GMT References: <1990Jul11.161138.13630@dvinci.usask.ca> <217@news.nd.edu> Reply-To: tjreynol@zephyr.cair.du.edu (Tim) Distribution: na Organization: Univ. of Denver, CO, USA Lines: 24 In article <217@news.nd.edu> laughner@news.nd.edu (Tom laughner) writes: >From article <1990Jul11.161138.13630@dvinci.usask.ca>, by lowey@herald.usask.ca (Kevin Lowey): >> From article <1990Jul5.205440.23370@ecn.purdue.edu>, by jmoore@cidmac.ecn.purdue.edu (James D Moore): >> But at the same clock speed, the 486 chip appears to >> be about twice as fast as the 386 chip (in real mode at least) >> >> - Kevin Lowey >There would be no difference in speed between a 386 with a math >coprocessor and a 486. The 486 chip is a 386 + the math coprocessor in >one. obviously, having a 387 built in is much faster. (isn' that obvious?!) it also has a 82385 cache controller, and 8 k of cache. ( i think this is correct, ) my store just got a 486-25 that compiled some autocad pic in 5 min. 53 sec. a 386-33 w/ 387 took 12 min 18 sec. so there. :-) tim